Monitor your cadence as you ride. 

Cadence & Speed Sensor monitor your cadence as you ride. It has a real-time measurement where it measures your pedal strole and speed to help you perform at your best. It has Quick mounting where it mounts easily on to your bike, it also have a Bluetooth® Smart technology where in both the water and strap, it enhances the battery life and compatibility and it is ready to go with CR2032 battery included.